Feeding-roller mounting.



T. C. MORRIS.

FEEDING ROLLER MOUNTING.

Patnted Sept. 17,1918

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FEEDING-ROLLER MOUNTING.

Specification of Letters Patent.

Application filed November 23, 1917. Serial No.'203,585. i

Mountings, of which the following is a full, 7

clear, and exact description, such as will en'- able others skilled in theart to which it appertains to make and use the same, reference being had to the accompanying drawings forming part of this specification.

This invention relates to certain improve-' ments in the form of feed rollers for lumber machines of the type disclosed in the patent to Thomas A. Coleman, No. 1,208,294.

As is known to those skilled in the art, the Coleman feed roller comprises an assembly of parts in which drums are carried on a shaft to receive the engaging elements by which the feeding movement is transmitted to the lumber, relatively adjustable clamping members being mounted on the shaft for cooperationwith the ends of the drums and the engaging elements to retain the latter in their seats. One of these clamping members is in the form of a collar which is screwthreaded on the shaft at the end of the roller, so that it may be screwed up to operatively engage the associated parts, or it may be backed off to disengage the engaging elements to permit the removal of the latter from the drums. Inasmuch as the screwthreaded portion of the shaft comes very close to the hearing or box in which the roller is journaled, it occurs frequently that, due to longitudinal movement of the roller, the threads on the shaft will cut the box, and the box will bur or upset the threads.

The present invention is designed to obviate these difliculties, and in addition to provide a roller of more sightly appearance,

of better wearing quality, more accurate inits operation, and of greater serviceability.

.In the accompanying drawings, I have shown an embodiment of the invention,

Figure 1 being a detail in the nature of a longitudinal section through a bearing and end portion of a Coleman feed roller; and

Fig. 2, a cross section of the same on line 22 of Fig. 1.

Referring to these illustrations in detail, it will be understood that 1 represents a supporting box or frame portion which provides a housing and support for a bearing 2 upon which the shaft 4 of the feed roller is journaledf Upon theshaft 4 is mounted a carrier or drum 5 of the sort characteristicof the Coleman feed roller,-the same having the longitudinalslots 5 in which'the engaging elements or tooth bars 6 are seated. Adjacent the. extremity ofthe carrier 5 the shaft 4 is provided with a screw thread 7 upon which is meshed the clamping collar 8, the same being adjustable upon the screw thread by use of a suitable spanner so that it may be turned up to engage the extremities of the tooth bars 6, or may be backed away from them so as to free them and per mit their removal. In the present form, the clamping collar 8 is formed with a marginal flange or annulus 9 arranged to extend longitudinally of the shaft. At the outer limit of the screw thread 7 the shaft is provided with a seat for a dowel 10. Seated on theextension of the shaft is a ring or bearing collar 11 which is provided on one side with a seat for the reception of the projecting portion of the dowel member 10. v The opposite face of the bearing collar 11 extends normal to the shaft, and the diameter of the bearing collar is such as to permit its fitting within the annular flange 9 on the clamping collar.

When the roller is installed in its mounting, the bearing collar 11 is arranged to abut the adjacent side of the hearing or box, thereby to prevent longitudinal movement of the roller in one direction. At the other side of the bearing or box a collar 12 is mounted on the end of the shaft, being held by a countersunk set screw 14: in proper position to make bearing contact with the adjacent side of the box, whereby to hold the roller against longitudinal movement in the other direction.

By virtueof this arrangement, the proper fitting of the roller to the bearing may always be made, as by variations in the thickness of the collar ,11 the proper bearing contact with the box may al-v ways be secured. The engagement of the collar 11 with the dowel 10 holds the former against movement inwardly onto the thread 7 so that the collar 11, together with the encompassing flange 9, protect the extended portion of the thread. When it becomes necessary to remove any of the engaging elements 6, the clamping collar is backed ofi in the customary fashion, the space between the adjacent faces of the collars 8 and 11, and

Patented Sept. 17, 1918.

the disposal of the flange 9, permitting the necessary movement of the clamping collar.

The roller thus constructed has considerable additional strength, is more definitely mounted in its bearings, and hence has a more accurate feed, and its more delicate parts are effectively protected from injury.

I am aware that the device issusceptible of various modifications and changes Without departing from the true spirit and scope of the invention Which it is my purpose to indicate in the following claims.

What I claim is:

1. In a feed roller including the shaft, the drum carried thereby, and the engaging elements mounted on the drum, the combination of a clamping collar having screw-threadengagement With the shaft adjacent the extremity-of the drum and movable relative thereto, a bearing collar mounted on the shaft at the outer extremity of the screw-threaded portion, and an annular flange on the clamping collar encompassing the bearing collar.

2. In a feed roller, the combination with the drum, the engaging elements mounted therein, and the shaft supporting the drum and having a screw-threaded portion adjacent the same, of a clamping collar mounted on the screw-threaded portion of the'sha'ft and adjustable thereon for cooperation With the drum, a bearing collar mounted on the shaft adjacent the outer extremity of the screw-threaded portion and I maintained against movement toWard the screw-threaded portion, and an annular member GXtGHCllDg from the clamping collar to the bearing collar and over the portion of the shaft intermediate said collars.

In testimony Whereof I hereunto affix my signature this fifth day of November, 1917.

o. MORRIS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C. V 

